Evaluate
-2.75
Factor
-2.75
Share
Copied to clipboard
\frac{68+3}{4}-6.25+\frac{8\times 2+1}{2}-0.75-22
Multiply 17 and 4 to get 68.
\frac{71}{4}-6.25+\frac{8\times 2+1}{2}-0.75-22
Add 68 and 3 to get 71.
\frac{71}{4}-\frac{25}{4}+\frac{8\times 2+1}{2}-0.75-22
Convert decimal number 6.25 to fraction \frac{625}{100}. Reduce the fraction \frac{625}{100} to lowest terms by extracting and canceling out 25.
\frac{71-25}{4}+\frac{8\times 2+1}{2}-0.75-22
Since \frac{71}{4} and \frac{25}{4} have the same denominator, subtract them by subtracting their numerators.
\frac{46}{4}+\frac{8\times 2+1}{2}-0.75-22
Subtract 25 from 71 to get 46.
\frac{23}{2}+\frac{8\times 2+1}{2}-0.75-22
Reduce the fraction \frac{46}{4} to lowest terms by extracting and canceling out 2.
\frac{23}{2}+\frac{16+1}{2}-0.75-22
Multiply 8 and 2 to get 16.
\frac{23}{2}+\frac{17}{2}-0.75-22
Add 16 and 1 to get 17.
\frac{23+17}{2}-0.75-22
Since \frac{23}{2} and \frac{17}{2} have the same denominator, add them by adding their numerators.
\frac{40}{2}-0.75-22
Add 23 and 17 to get 40.
20-0.75-22
Divide 40 by 2 to get 20.
19.25-22
Subtract 0.75 from 20 to get 19.25.
-2.75
Subtract 22 from 19.25 to get -2.75.
Examples
Quadratic equation
{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometry
4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
y = 3x + 4
Arithmetic
699 * 533
Matrix
\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
Simultaneous equation
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}